[Pacemaker] [PATCH] Allow the user to insert a startup configuration

[frank.dimeo at bigbandnet.com]

# HG changeset patch
# User Frank DiMeo <frank.dimeo at bigbandnet.com>
# Date 1260478129 18000
# Branch stable-1.0
# Node ID e7067734add7f3b148cb534b85b5af256db9fad7
# Parent  381160def02a34ae554637e0a26efda850ccc015
initial load of static configuration file

diff -r 381160def02a -r e7067734add7 cib/io.c
--- a/cib/io.c	Thu Dec 10 09:07:45 2009 -0500
+++ b/cib/io.c	Thu Dec 10 15:48:49 2009 -0500
@@ -261,7 +261,7 @@
 	crm_err("%s exists but does NOT contain valid XML. ", filename);
 	crm_warn("Continuing but %s will NOT used.", filename);
 	
-    } else if(validate_cib_digest(root, sigfile) == FALSE) {
+    } else if(sigfile && ( validate_cib_digest(root, sigfile) == FALSE )) {
 	crm_err("Checksum of %s failed!  Configuration contents ignored!", filename);
 	crm_err("Usually this is caused by manual changes, "
 		"please refer to http://clusterlabs.org/wiki/FAQ#cib_changes_detected");
@@ -282,11 +282,12 @@
 readCibXmlFile(const char *dir, const char *file, gboolean discard_status)
 {
 	int seq = 0;
-	char *filename = NULL, *sigfile = NULL;
+	char *filename = NULL, *sigfile = NULL, *static_config_file = NULL;
 	const char *name = NULL;
 	const char *value = NULL;
 	const char *validation = NULL;
 	const char *use_valgrind = getenv("HA_VALGRIND_ENABLED");
+   struct stat buf;
 	
 	xmlNode *root = NULL;
 	xmlNode *status = NULL;
@@ -300,7 +301,23 @@
 	sigfile  = crm_concat(filename, "sig", '.');
 
 	cib_status = cib_ok;
-	root = retrieveCib(filename, sigfile, TRUE);
+
+   /*
+   ** we might drop a static config file in there as a known startup point
+   ** if we do, use it.  Its called <file>.xml.static_init
+   */
+   static_config_file = crm_concat(filename, "static_init", '.');
+
+   crm_info("Looking for static initialization file : %s", static_config_file);
+
+   if(stat(static_config_file, &buf) == 0) {
+      crm_info("Using initial configuration file : %s", static_config_file);
+      root = retrieveCib(static_config_file, NULL, TRUE);
+   }
+   else {
+      crm_info("Using found configuration file : %s", filename);
+      root = retrieveCib(filename, sigfile, TRUE);
+   }
 
 	if(root == NULL) {
 	    crm_warn("Primary configuration corrupt or unusable, trying backup...");
@@ -308,7 +325,6 @@
 	}
 	
 	while(root == NULL) {
-	    struct stat buf;
 	    char *backup_file = NULL;
 	    crm_free(sigfile);
 
@@ -409,6 +425,7 @@
 	    }
 	}
 
+	crm_free(static_config_file);
 	crm_free(filename);
 	crm_free(sigfile);
 	return root;